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Sumycin (Tetracycline) Buyer and Patient Handbook in South Africa

What is Sumycin?

Sumycin is a tetracycline-class antibiotic used to treat a range of bacterial infections. It is approved by the South African Health Products Regulatory Authority (SAHPRA) and is available as oral tablets. Typical indications include respiratory, urinary-tract, and skin infections caused by susceptible bacteria.

Who Should Use Sumycin?

• Adults and adolescents (≥12 years) needing treatment for bacterial infections listed in the product label.
• Patients with normal kidney and liver function who are not pregnant or nursing.
• Individuals who are not allergic to tetracyclines or any tablet excipients.

How Does It Work?

Sumycin interferes with bacterial protein synthesis by binding to the 30S ribosomal subunit, preventing the addition of new amino acids. This stops bacterial growth, allowing the immune system to clear the infection. It has no effect on viral illnesses and should not be used for colds or flu.

Why Choose Sumycin?

• Generic advantage: It provides the same therapeutic effect as brand-name tetracycline products at a lower cost.
• It is widely available in South Africa and has a well-characterised safety profile.
• Off-label use is possible only under professional guidance; do not self-prescribe for unlisted conditions.

Dosage, Administration, Lifestyle and Dietary Recommendations

Recommended Dosage

• 250 mg tablet: 1 tablet every 6 hours (four times daily).
• 500 mg tablet: 1 tablet every 12 hours (twice daily).

How to Take

• Swallow the tablet whole with a full glass of water.
• Take the dose on an empty stomach (at least 1 hour before or 2 hours after meals) for optimal absorption.

Missed Dose

• If you remember within 2 hours, take the missed tablet.
• If it is later, skip the dose and resume the regular schedule; do not double-dose.

Overdose

• Seek immediate medical assistance or contact the Poisons Information Centre (080 719 999).
• Do not induce vomiting unless instructed by a professional.

Special Populations

• Elderly: No dose adjustment required if renal function is normal.
• Children <12 years: Not recommended because of permanent tooth discoloration risk.
• Renal/hepatic impairment: Consult a healthcare professional for possible dose modification.

Lifestyle & Diet

• Avoid dairy products, antacids, and iron supplements within 2 hours of taking Sumycin, as they reduce absorption.
• Do not consume large amounts of grapefruit juice, which can increase drug levels.
• Limit alcohol intake; excessive drinking may worsen gastrointestinal side effects.

Precautions and Warnings

• Use only for confirmed bacterial infections; inappropriate use promotes resistance.
• Do not take if you have a known hypersensitivity to tetracyclines or any component of the tablet.
• Discontinue and seek medical advice if you develop severe rash, persistent Diarrhea, or signs of liver dysfunction.

Drug Interactions

Potential Side Effects

Common Side Effects

• Nausea, vomiting, abdominal discomfort
• Diarrhoea or mild colitis
• Photosensitivity (increased sunburn risk)

Less Common Side Effects

• Headache, dizziness, blurred vision
• Elevated liver enzymes

Serious Side Effects

• Severe allergic reaction (rash, swelling, difficulty breathing) - seek urgent care
• Pseudomembranous Colitis (persistent watery diarrhoea) - contact a healthcare professional
• Hepatotoxicity (jaundice, dark urine) - stop medication and seek medical advice

Who Should Avoid This Medication?

• People with a documented tetracycline allergy
• Pregnant or breastfeeding individuals
• Children younger than 12 years (risk of tooth staining)
• Individuals with severe hepatic impairment

Storage Instructions

• Keep tablets in the original container, tightly closed.
• Store at room temperature (15-30 °C) away from direct sunlight and moisture.
• Keep out of reach of children and pets.

Sumycin Alternatives

Frequently Asked Questions

How long does treatment with Sumycin usually last?

Typical courses last 7-14 days, depending on the infection type and clinical response.

Can I drink coffee while taking Sumycin?

Yes, moderate coffee intake does not affect absorption, but avoid taking the tablet with the coffee itself; wait at least one hour.

What should I do if I experience a rash after starting Sumycin?

Stop the medication immediately and seek medical evaluation for a possible allergic reaction.

Is Sumycin safe to use with alcohol?

Alcohol does not directly interact, but excessive drinking may worsen stomach upset and liver strain.

Why did my doctor prescribe a higher dose (500 mg) instead of 250 mg?

Higher doses are used for more severe infections or organisms with higher minimum inhibitory concentrations.

Can Sumycin cause my teeth to turn yellow?

Tooth discoloration is a risk in children under 12 years and during prolonged therapy; it is not typical in adults.

What happens if I miss more than one dose?

Take the missed dose as soon as you remember if it’s within a few hours; otherwise, skip and continue the regular schedule. Do not double-dose.

Are there any over-the-counter products that interact with Sumycin?

Yes, antacids containing aluminum, magnesium, or calcium can lower its effectiveness; keep a 2-hour gap between them.

Glossary

• Tetracycline class: A group of antibiotics that block bacterial protein production.
• Photosensitivity: Heightened skin reaction to sunlight, leading to quicker sunburn.
• Pseudomembranous colitis: A severe inflammation of the colon caused by overgrowth of Clostridioides difficile after antibiotic use.

Disclaimer

This handbook provides general information about Sumycin for educational purposes only. It does not replace professional medical advice. Off-label use should be discussed with a qualified healthcare provider. Our service offers information and facilitates purchase through licensed South African pharmacies; responsibility for safe use rests with the individual. Always consult a healthcare professional before starting or stopping any medication.